Guitar Theory expands and reinforces each new topic as taught in the Guitar Method. Notation, tablature, chord-frame, and fretboard fill-in type exercises build the student's understanding of the guitar. Students are shown how to play what they are learning intellectually, providing especially strong reinforcement. Book 2 is correlated by page to the Guitar Method 2. Theory book available in three levels, as is the Method, Song Trax, Rock Shop and Guitar Ensemble books. Teacher's editions also available. Level One of the Theory, Method, and Rock Shop books are available in English and Spanish. Video available for Method and Rock Shop.